Home / 856,343.52-1,181,754.08-474,395.04

Finding the Fourth Proportional to 856,343.52, 1,181,754.08 and 474,395.04

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Solution

The fourth proportional to 856,343.52, 1,181,754.08 and 474,395.04 is: 654,665.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,343.52 : 1,181,754.08 = 474,395.04 : x
  2. Step 2: Convert to fraction form
    856,343.52/1,181,754.08 = 474,395.04/x
  3. Step 3: Cross multiply
    856,343.52x = 1,181,754.08 × 474,395.04
  4. Step 4: Simplify right side
    856,343.52x = 560,618,274,051.76
  5. Step 5: Solve for x
    x = 560,618,274,051.76/856,343.52
  6. Step 6: Final answer
    x = 654,665.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.